Geothermal Power Plants In the US

The Largest Geothermal Power Plants in the US

PlantCity/CountyStatePrimary Fuel TypeMWh GeneratedCO2 EmissionsRank EmissionsCO2 Emissions/MWhRant Emissions/MWhClosing Date
Patua Acquisition Project, LLCPatua Acquisition Company, LLC (100.00%)
Churchill County NV Geothermal99,048MWh11
Galena 3 Geothermal Power PlantOrmat Nevada Inc (100.00%)
Reno NV Geothermal98,911MWh11
Ormesa IIOrmat Nevada Inc (100.00%)
Imperial County CA Geothermal98,804MWh11
Stillwater FacilityEnel Green Power (80.00%)EGP Stillwater Solar, LLC (20.00%)
Churchill County NV Geothermal94,628MWh11
Mammoth G3Mammoth Pacific LP (100.00%)
Mono County CA Geothermal93,073MWh11
Raft River Geothermal Power PlantRaft River Energy 1 LLC (100.00%)
Cassia County ID Geothermal91,432MWh11
BeowaweOrmat Nevada Inc (100.00%)
Lander County NV Geothermal89,728MWh11
Desert Peak Power PlantORNI 3 LLC (100.00%)
Churchill County NV Geothermal88,378MWh11
San EmidioUSG Nevada LLC (100.00%)
Washoe County NV Geothermal85,671MWh11
Aidlin Geothermal Power PlantCalpine (100.00%)
Sonoma County CA Geothermal84,895MWh11
ENEL Salt Wells LLCEnel Green Power (100.00%)
Churchill County NV Geothermal84,513MWh11
BradyBrady Power Partners (100.00%)
Churchill County NV Geothermal83,821MWh11
Salton Sea Power Gen Co Unit 1MidAmerican Energy (100.00%)
Imperial County CA Geothermal79,158MWh11
Salton Sea Power Gen Co - Unit 2MidAmerican Energy (100.00%)
Imperial County CA Geothermal77,505MWh11
Ormesa IIIOrmat Nevada Inc (100.00%)
Imperial County CA Geothermal71,231MWh11
Imperial County CA Geothermal66,980MWh11
McGinness HillsOrmat Nevada Inc (100.00%)
Lander County NV Geothermal665,051MWh11
Jersey Valley Geothermal Power PlantOrmat Nevada Inc (100.00%)
Pershing County NV Geothermal63,084MWh11
McGinness Hills 3Ormat Nevada Inc (100.00%)
Lander County NV Geothermal554,311MWh11
Thermo No 1Thermo No 1 BE 01 LLC (100.00%)
Beaver County UT Geothermal54,570MWh11
Mammoth G2Mammoth Pacific LP (100.00%)
Mono County CA Geothermal51,931MWh11
Calistoga Power PlantCalpine (100.00%)
Lake County CA Geothermal474,410MWh11
Dixie ValleyOrmat Nevada Inc (100.00%)
Churchill County NV Geothermal470,673MWh11
Mammoth G1Mammoth Pacific LP (100.00%)
Mono County CA Geothermal45,383MWh11
Geysers Unit 5-20Calpine (100.00%)
Sonoma County CA Geothermal4,470,780MWh11
Steamboat IIISteamboat Development Corp (100.00%)
Reno NV Geothermal44,104MWh11
Steamboat IISteamboat Development Corp (100.00%)
Reno NV Geothermal44,090MWh11
Coso Finance PartnersCoso Operating Co LLC (100.00%)
Inyo County CA Geothermal421,689MWh11
John L. Featherstone PlantHudson Ranch Power I LLC (100.00%)
Imperial County CA Geothermal388,980MWh11
Galena 2 Geothermal Power PlantOrmat Nevada Inc (100.00%)
Washoe County NV Geothermal36,082MWh11
Coso Power DevelopersCoso Operating Co LLC (100.00%)
Inyo County CA Geothermal358,759MWh11
North Brawley Geothermal PlantOrmat Nevada Inc (100.00%)
Imperial County CA Geothermal35,666MWh11
Imperial County CA Geothermal350,447MWh11
Imperial County CA Geothermal349,726MWh11
Lightning Dock Geothermal HI-01, LLCLightning Dock Geothermal HI-01, LLC (100.00%)
Cotton City CDP NM Geothermal34,653MWh11
Imperial County CA Geothermal346,128MWh11
Tungsten MountainTungsten Mountain (100.00%)
Churchill County NV Geothermal336,694MWh11
Salton Sea Power Gen Co - Unit 4MidAmerican Energy (100.00%)
Imperial County CA Geothermal323,495MWh11
Salton Sea Power Gen Co - Unit 3MidAmerican Energy (100.00%)
Imperial County CA Geothermal304,127MWh11
Coso Energy DevelopersCoso Operating Co LLC (100.00%)
Inyo County CA Geothermal285,434MWh11
Matt Hope
Last Reviewed By: Matt Hope
Published: 2024-03-30